My opinion is that she will do what you want her to do if you just keep her in the crate for a couple days. Don't give her anything to bed down in. She will be unhappy for a longer time if you have to keep dealing with her broodiness and you don't want her to sit on eggs. Try to ignore her...
I always just put them in a dog crate in our barn with food, water, and no bedding. Kind of harsh, but if I do it at night, they usually aren't broody by the morning :) I just think about all the times I've unsuccessfully tried to move a broody hen in order for her to hatch her eggs in a...